... electricity,just gasoline&oil mixture 3.Very wondeful in safety. Rescue cut off saw1)Engine:1E50F,air cooling,2-stroke 2 ... entry BONUS Spare Air Filter & Spare Spark Plug for Peace of MindApplication: Construction, Driveways, Paths, Tiling, Paving, Demolition, Slab Work, Stone ... /Doors and also Metal Work with a compatible cutting wheel. Rescue cut off saw 71CC